/*
 * TeleStax, Open Source Cloud Communications  Copyright 2012.
 * and individual contributors
 * by the @authors tag. See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */

package org.mobicents.protocols.ss7.cap.errors;

import java.io.IOException;
import org.mobicents.protocols.asn.AsnException;
import org.mobicents.protocols.asn.AsnInputStream;
import org.mobicents.protocols.asn.AsnOutputStream;
import org.mobicents.protocols.asn.Tag;
import org.mobicents.protocols.ss7.cap.api.CAPException;
import org.mobicents.protocols.ss7.cap.api.CAPParsingComponentException;
import org.mobicents.protocols.ss7.cap.api.CAPParsingComponentExceptionReason;
import org.mobicents.protocols.ss7.cap.api.errors.CAPErrorCode;
import org.mobicents.protocols.ss7.cap.api.errors.CAPErrorMessageCancelFailed;
import org.mobicents.protocols.ss7.cap.api.errors.CancelProblem;

/**
 * 
 * @author sergey vetyutnev
 * 
 */
public class CAPErrorMessageCancelFailedImpl extends CAPErrorMessageImpl implements CAPErrorMessageCancelFailed {

	public static final String _PrimitiveName = "CAPErrorMessageCancelFailed";

	private CancelProblem cancelProblem;

	protected CAPErrorMessageCancelFailedImpl(CancelProblem cancelProblem) {
		super((long) CAPErrorCode.cancelFailed);

		this.cancelProblem = cancelProblem;
	}

	protected CAPErrorMessageCancelFailedImpl() {
		super((long) CAPErrorCode.cancelFailed);
	}


	@Override
	public boolean isEmCancelFailed() {
		return true;
	}

	@Override
	public CAPErrorMessageCancelFailed getEmCancelFailed() {
		return this;
	}
	

	@Override
	public CancelProblem getCancelProblem() {
		return cancelProblem;
	}

	public void setCancelProblem(CancelProblem cancelProblem) {
		this.cancelProblem = cancelProblem;
	}

	@Override
	public int getTag() throws CAPException {
		return Tag.ENUMERATED;
	}

	@Override
	public int getTagClass() {
		return Tag.CLASS_UNIVERSAL;
	}

	@Override
	public boolean getIsPrimitive() {
		return true;
	}

	@Override
	public void decodeAll(AsnInputStream ansIS) throws CAPParsingComponentException {

		try {
			int length = ansIS.readLength();
			this._decode(ansIS, length);
		} catch (IOException e) {
			throw new CAPParsingComponentException("IOException when decoding " + _PrimitiveName + ": " + e.getMessage(), e,
					CAPParsingComponentExceptionReason.MistypedParameter);
		} catch (AsnException e) {
			throw new CAPParsingComponentException("AsnException when decoding " + _PrimitiveName + ": " + e.getMessage(), e,
					CAPParsingComponentExceptionReason.MistypedParameter);
		}
	}

	@Override
	public void decodeData(AsnInputStream ansIS, int length) throws CAPParsingComponentException {

		try {
			this._decode(ansIS, length);
		} catch (IOException e) {
			throw new CAPParsingComponentException("IOException when decoding " + _PrimitiveName + ": " + e.getMessage(), e,
					CAPParsingComponentExceptionReason.MistypedParameter);
		} catch (AsnException e) {
			throw new CAPParsingComponentException("AsnException when decoding " + _PrimitiveName + ": " + e.getMessage(), e,
					CAPParsingComponentExceptionReason.MistypedParameter);
		}
	}

	private void _decode(AsnInputStream localAis, int length) throws CAPParsingComponentException, IOException, AsnException {

		this.cancelProblem = null;

		if (localAis.getTagClass() != Tag.CLASS_UNIVERSAL || localAis.getTag() != Tag.ENUMERATED || !localAis.isTagPrimitive())
			throw new CAPParsingComponentException(
					"Error decoding " + _PrimitiveName + ": bad tag class or tag or parameter is not primitive",
					CAPParsingComponentExceptionReason.MistypedParameter);

		int i1 = (int) localAis.readIntegerData(length);
		this.cancelProblem = CancelProblem.getInstance(i1);
	}

	@Override
	public void encodeAll(AsnOutputStream asnOs) throws CAPException {
		this.encodeAll(asnOs, this.getTagClass(), this.getTag());
	}

	public void encodeAll(AsnOutputStream asnOs, int tagClass, int tag) throws CAPException {

		try {
			asnOs.writeTag(tagClass, this.getIsPrimitive(), tag);
			int pos = asnOs.StartContentDefiniteLength();
			this.encodeData(asnOs);
			asnOs.FinalizeContent(pos);
		} catch (AsnException e) {
			throw new CAPException("AsnException when encoding " + _PrimitiveName + ": " + e.getMessage(), e);
		}
	}

	public void encodeData(AsnOutputStream aos) throws CAPException {

		if (this.cancelProblem == null)
			throw new CAPException("Error while encoding " + _PrimitiveName + ": cancelProblem field must not be null");

		try {
			aos.writeIntegerData(this.cancelProblem.getCode());

		} catch (IOException e) {
			throw new CAPException("IOException when encoding " + _PrimitiveName + ": " + e.getMessage(), e);
		}
	}

	@Override
	public String toString() {
		StringBuilder sb = new StringBuilder();
		
		sb.append(_PrimitiveName);
		sb.append(" [");
		if (this.cancelProblem != null) {
			sb.append("cancelProblem=");
			sb.append(cancelProblem);
			sb.append(",");
		}
		sb.append("]");
		
		return sb.toString();
	}
}

